113650381 has 24 divisors (see below), whose sum is σ = 131621784. Its totient is φ = 97511040.

The previous prime is 113650379. The next prime is 113650387. The reversal of 113650381 is 183056311.

It can be written as a sum of positive squares in 4 ways, for example, as 36100 + 113614281 = 190^2 + 10659^2 .

It is not a de Polignac number, because 113650381 - 2¹ = 113650379 is a prime.

It is a super-3 number, since 3×113650381³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113650387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286075 + ... + 286471.

It is an arithmetic number, because the mean of its divisors is an integer number (5484241).

Almost surely, 2^113650381 is an apocalyptic number.

It is an amenable number.

113650381 is a deficient number, since it is larger than the sum of its proper divisors (17971403).

113650381 is a wasteful number, since it uses less digits than its factorization.

113650381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 113650381 is about 10660.6932701396. The cubic root of 113650381 is about 484.3845681690.

The spelling of 113650381 in words is "one hundred thirteen million, six hundred fifty thousand, three hundred eighty-one".